Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8974697 | Luminescent material | Keiko Albessard, Masahiro Kato, Yumi Fukuda, Iwao Mitsuishi, Takahiro Sato +6 more | 2015-03-10 |
| 8896076 | Photoelectric conversion element, photoelectric conversion system, and method for production of photoelectric conversion element | Shinji Saito, Rei Hashimoto, Mizunori Ezaki, Shinya Nunoue | 2014-11-25 |
| 8685277 | Fluorescent substance and light-emitting device employing the same | Yumi Fukuda | 2014-04-01 |
| 8603361 | Fluorescent substance and light-emitting device employing the same | Yumi Fukuda | 2013-12-10 |
| 8491817 | Luminescent material and light-emitting device | Yumi Fukuda, Masaaki Tamatani, Ryosuke Hiramatsu, Junichi Tatami, Katsutoshi Komeya +1 more | 2013-07-23 |
| 8482192 | Luminescent material and light-emitting device | Yumi Fukuda, Masaaki Tamatani, Ryosuke Hiramatsu, Junichi Tatami, Katsutoshi Komeya +1 more | 2013-07-09 |
| 8475680 | Luminescent material and light-emitting device | Yumi Fukuda, Masaaki Tamatani, Ryosuke Hiramatsu, Junichi Tatami, Katsutoshi Komeya +1 more | 2013-07-02 |
| 8450923 | Luminescent material and light-emitting device | Yumi Fukuda, Masaaki Tamatani, Ryosuke Hiramatsu, Junichi Tatami, Katsutoshi Komeya +1 more | 2013-05-28 |
| 8105502 | Luminescent material | Yumi Fukuda, Jun-ichi Tatami, Katsutoshi Komeya, Naotoshi Matsuda, Toru Wakihara +2 more | 2012-01-31 |
| 7638934 | Fluorescent substance and light-emitting device | Yumi Fukuda, Masaaki Tamatani, Naotoshi Matsuda, Ryosuke Hiramatsu, Keiko Albessard +3 more | 2009-12-29 |
| 7498736 | Luminescent material | Ryosuke Hiramatsu, Masaaki Tamatani, Kazuaki Ootsuka | 2009-03-03 |
| 6881115 | Electron emitting device and method of manufacturing the same | Masahiko Yamamoto, Yoshiki Ishizuka, Yumi Fukuda, Koji Suzuki | 2005-04-19 |
| 6445124 | Field emission device | Masahiko Yamamoto, Koji Suzuki | 2002-09-03 |
| 6046499 | Heat transfer configuration for a semiconductor device | Keiichi Yano | 2000-04-04 |
| 5969413 | Semiconductor device having a tab chip on a tape carrier with lead wirings provided on the tape carrier used as external leads | Keiichi Yano, Kazuo Kimura, Jun Monma, Koji Yamakawa, Mitsuyoshi Endo +1 more | 1999-10-19 |
| 5928769 | Aluminum nitride wiring substrate and method for production thereof | Jun Monma | 1999-07-27 |
| 5909058 | Semiconductor package and semiconductor mounting part | Keiichi Yano, Kaoru Koiwa, Nobuo Iwase | 1999-06-01 |
| 5736790 | Semiconductor chip, package and semiconductor device | Kiyoshi Iyogi, Kaoru Koiwa, Keiichi Yano | 1998-04-07 |
| 5703397 | Semiconductor package having an aluminum nitride substrate | Mitsuyoshi Endo, Keiichi Yano, Yoshitoshi Sato | 1997-12-30 |
| 5637406 | Metallized aluminum nitride substrate | Yasuyuki Sugiura | 1997-06-10 |
| 5063121 | Circuit substrate comprising nitride type ceramics, method for preparing it, and metallizing composition for use in it | Hideki Sato, Nobuyuki Mizunoya, Kazuo Anzai, Tsuyoshi Hatano | 1991-11-05 |
| 4883704 | Circuit substrate comprising nitride type ceramics, method for preparing it, and metallizing composition for use in it | Hideki Sato, Nobuyuki Mizunoya, Kazuo Anzai, Tsuyoshi Hatano | 1989-11-28 |